<template>
<div>

  <div style="padding: 10px 0" >
    <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search" v-model="username"></el-input>
    <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
    <el-button class="ml-5" type="warning" @click="reset">重置</el-button>
  </div>

  <div style="margin: 10px 0">
    <el-button type="primary" @click="handleAdd">新增<i class="el-icon-circle-plus-outline"></i></el-button>
    <el-popconfirm
        class="ml-5"
        confirm-button-text='确定'
        cancel-button-text='取消'
        icon="el-icon-info"
        icon-color="red"
        title="确定批量删除吗？"
        @confirm="delBatch"
    >
      <el-button type="danger" slot="reference">批量删除<i class="el-icon-remove-outline"></i></el-button>
    </el-popconfirm>
    <el-upload
        action="http://localhost:9090/user/import"
        :show-file-list="false"
        accept="xlsx"
        :on-success="handleExcelImportSuccess"
        style="display: inline-block">
      <el-button type="primary" class="ml-5">导入<i class="el-icon-bottom"></i></el-button>
    </el-upload>
    <el-button type="primary" @click="exp" class="ml-5">导出<i class="el-icon-top"></i></el-button>
  </div>

  <el-table :data="tableData" border @selection-change="handleSelectionChange">
    <el-table-column
        type="selection"
        width="55" >
    </el-table-column>
    <el-table-column prop="id" label="ID" width="80">
    </el-table-column>
    <el-table-column prop="username" label="用户名">
    </el-table-column>
    <el-table-column prop="role" label="唯一标识">
    </el-table-column>
    <el-table-column prop="nickname" label="昵称" >
    </el-table-column>
    <el-table-column prop="email" label="邮箱">
    </el-table-column>
    <el-table-column prop="phone" label="电话" >
    </el-table-column>
    <el-table-column prop="address" label="地址">
    </el-table-column>
    <el-table-column label="操作"  align="center" width="200px">
      <!--eslint-disable-next-line-->
      <template slot-scope="scope">
        <el-button type="success" @click="handleEdit(scope.row)">编辑<i class="el-icon-edit"></i></el-button>

        <el-popconfirm
            class="ml-5"
            confirm-button-text='确定'
            cancel-button-text='取消'
            icon="el-icon-info"
            icon-color="red"
            title="确定删除吗？"
            @confirm="handleDel(scope.row.id)"
        >
          <el-button type="danger" slot="reference">删除<i class="el-icon-remove-outline"></i></el-button>
        </el-popconfirm>
      </template>
    </el-table-column>

  </el-table>

  <div style="padding: 10px 0">
    <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="page"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
    </el-pagination>
  </div>

  <el-dialog title="用户信息" :visible.sync="dialogFormVisible" width="25%">
    <el-form :model="form" label-width="80px" size="small">
      <el-form-item label="用户名" >
        <el-input v-model="form.username" autocomplete="off" ></el-input>
      </el-form-item>
      <el-form-item label="唯一标识" >
        <el-select clearable v-model="form.role" placeholder="请选择角色" style="width: 100%;">
          <el-option v-for="item in roles" :key="item.name" :label="item.name" :value="item.flag"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="昵称" >
        <el-input v-model="form.nickname" autocomplete="off" ></el-input>
      </el-form-item>
      <el-form-item label="邮箱" >
        <el-input v-model="form.email" autocomplete="off" ></el-input>
      </el-form-item>
      <el-form-item label="电话" >
        <el-input v-model="form.phone" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="地址" >
        <el-input v-model="form.address" autocomplete="off"></el-input>
      </el-form-item>
    </el-form>
    <div slot="footer" class="dialog-footer">
      <el-button @click="dialogFormVisible = false">取 消</el-button>
      <el-button type="primary" @click="save">确 定</el-button>
    </div>
  </el-dialog>
</div>
</template>

<script>
export default {
  name: "User",
  data(){
    return{
      tableData: [],
      total:0,
      page:1,
      pageSize:10,
      username:"",

      dialogFormVisible:false,
      form:[],
      multipleSelection: [],
      roles:[],
    }
  },

  created() {
    this.load()
  },

  methods:{

    /**
     * 请求分页查询
     */
    load(){
      this.request.get("/user/page",{
        params:{
          page:this.page,
          pageSize:this.pageSize,
          username:this.username,
        }
      }).then(res =>{
            if(res.code === '200'){
              this.tableData = res.data.records
              this.total = res.data.total
            }

          })
      this.request.get("/role").then(res => {
        this.roles = res.data
      })
    },

    /**
     * 搜索栏重置
     */
    reset(){
      this.username=""
      this.load()
    },

    /**
     * 分页
     * @param pageSize
     */
    handleSizeChange(pageSize){
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(page){
      this.page = page;
      this.load()
    },

    handleAdd(){
      this.dialogFormVisible = true
      this.form = {}
    },

    /**
     * 新增
     */
    save(){
      this.request.post("/user",this.form).then(res =>{
        if(res.code === '200'){
          this.$message.success("保存成功")
          this.dialogFormVisible = false
          this.load()
        }else{
          this.$message.error("保存失败")
        }
      })
    },

    /**
     * 编辑
     * @param row
     */
    handleEdit(row){
      this.form = JSON.parse(JSON.stringify(row))
      this.dialogFormVisible = true
    },

    /**
     * 删除
     * @param id
     */
    handleDel(id){
      this.request.delete("/user/" + id).then(res =>{
        if(res.code === '200'){
          this.$message.success("删除成功")
          this.load()
        }else{
          this.$message.error("删除失败")
        }
      })
    },

    /**
     * 批量删除
     * @param val
     */
    handleSelectionChange(val){
      console.log(val)
      this.multipleSelection = val
    },
    delBatch(){
      let ids = this.multipleSelection.map(v => v.id)
      this.request.post("/user/del/batch",ids).then(res =>{
        if(res.code === '200'){
          this.$message.success("批量删除成功")
          this.load()
        }else{
          this.$message.error("批量删除失败")
        }
      })
    },

    /**
     * 导入文件
     */
    exp(){
      window.open("http://localhost:9090/user/export")
    },
    handleExcelImportSuccess(){
      this.$message.success("文件导入成功")
      this.load()
    },

  }
}
</script>

<style scoped>
.el-table th{
  background-color: #eee !important;
}
</style>
